3 years ago

Describe the relationship between a human community and a biological community

1 answer:

4 0

Explanation:

Organisms form species if they live together and can reproduce offspring. A group of organisms of the same species living in the same place at the same time is called a population. If we put populations of different species together, that's called a community. So, a community needs groups of different species to exist.

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Classify the reaction shown below. 2Na +Cl2-2NaCl

Ostrovityanka [42]

Answer:

Synthesis reaction

Explanation:

When two or more substances react and produce a single product such type of reactions are called synthesis reaction. Like-

A + B → AB

where A and B are reactant and produce a single product AB.

EXAMPLE:-

2Na + Cl2 → 2 NaCl

In this reaction 2Na and Cl2 are substances which reacts and produce a single product 2NaCl.

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What percentage of the world’s sea birds have plastic rubbish in their guts?

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Spider silk is a material made of proteins that has a strength per gram that is five times that of steel. One feature of some of

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Answer:

glutamic acid, because the R group could form ionic bonds

arginine, because the R group could form ionic bonds

tryptophan and tyrosine, because the R groups are small, allowing close stacking

glycine and alanine, because the R groups are small, allowing close stacking

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Which of the following is NOT

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C is the answer for that

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In a cell undergoing meiosis, during which stage do the sister chromatids separate from each other?

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Answer:

anaphase ll

Explanation:

anaphase ll

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